Java Development Topics:

Web databases and data-oriented design

The database is an essential component in most Web applications. Web databases provide data storage and search ability. Without a database to write to and read from, there would be no way to maintain data persistence. Each time a user logged off their data would be lost. Good data architecture provides much more than mere data persistence, however. In today's application environment, users generate enormous amounts of data. Processing big data and turning it into useful information for the user requires application developers to take on a data-oriented design mentality.

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In order to obtain the certified architect position from Oracle, attending and passing a training course is now required. But what about the Java Professional and Java Associate designations, OCPJP and OCAJP for Java 7?

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The OCP (Oracle Certified Professional) Java 7 certification (OCAJP and OCPJP), which replaced the SCJP certification, will now require you to pass two exams, each of which will cost $300 to take, pushing the cost of the designation to $600.

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In his blog, Joseph Ottinger sets the record straight on why caches are not always the right solution to a performance problem, especially when it comes to live data. "The use of cache on live data, where the data is read-mostly to write-only, is what I...

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